Periodical monitoring of calorific values is necessary to ensure a stable supply of town gas. Since Shimadzu’s system GC is robust and designed for automated analysis, it is widely used for 24 hour/day online analysis in this field.
Dedicated software is able to calculate calorific values and indexes automatically.
Using the sample line selctor SLS-2020, a single system GC can analyse multiple samples without switching the sample line. This saves both running and initial costs.

Town gas analyzer lineup

Model Name Nexis GC-2030TGA1 Nexis GC-2030TGA2 Nexis GC-2030TGA3 Nexis GC-2030TGA4
Type of Detector TCDx2 TCD TCD TCD
Target Compounds H2, O2, N2, CO, CO2, C1, C2, C3 (each min. detection limit: 50 ppm) O2, N2, CO, CO2, C1, C2, C3 (each min. detection limit: 50 ppm) H2, O2, N2, CO, CO2, C1, C2, C3 (H2>0.1%, Others>50 ppm) H2, O2, N2, CO, CO2, C1, C2 (H2>0.1%, Others>50 ppm)
Analysis Time 16 minutes 16 minutes 10 minutes 12 minutes
Others Full range capability for H2 - Good separation between CH4 and CO Good separation between CH4 and CO
Application Datasheet
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